How many perforations per inch?

I cut a strip and measured: there are 7 perforations per inch; Most of the paper is cut, the part not cut is very very small compared to the part that is cut. Basically, the cutter wheel has 7 notches per inch on the wheel. The tiny notches don't cut.

Is this tool can use as HandyScore when i score to cardboard box ?

I bought mine March 2020 and I have used it many times on cardboard to kind of score where I want to cut, I do have to go over it with a knife because the teeth are only so long but it has been helpful to me.

how straight does it cut? if I’m going along the full length of a sheet is it hard to keep a straight line without using a straight edge?

Thank you for contacting us. You have to control whether you can cut straight. I think it is necessary to get used to using a straight line. Please refer to the following URL for usage. (Example of use) https://www.olfa.co.jp/products/productcategorydetail/6/315

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OLFA Perforation Cutter 28 235B

Product ID: 100243283

Details

Blade Length
28 Millimeters
Blade Material
Stainless
Brand
OLFA
Color
イエロー
Handle Material
Item Length
28 Millimeters

📏28mm precision blade

🔄One-touch blade change

✂️Bidirectional use (left/right hand)

€ 19.53

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✂️ Cut with confidence, craft with style!

COMPACT DURABLE - Lightweight yet robust acrylic handle built to withstand daily use, perfect for ticket making and paper crafts.
AMBIDEXTROUS DESIGN - Engineered for both left and right-handed pros, ensuring ergonomic comfort and control.
EFFORTLESS BLADE SWAP - Switch blades instantly with a one-touch mechanism—no downtime, just seamless crafting flow.
AWARD WINNING AESTHETIC - Proud recipient of the Good Design Award, blending style with function in your creative toolkit.
PRECISION PERFORATION MASTERY - Create flawless perforations on paper, film, and vinyl with surgical 28mm stainless steel precision.

The OLFA Perforation Cutter 28 235B features a sharp 28mm stainless steel blade designed for precise perforations on various materials. Its one-touch blade replacement and ambidextrous design make it a versatile tool for professionals and creatives alike. Recognized with the Good Design Award, this retractable cutter combines durability and ergonomic comfort, making it ideal for ticket making, paper crafts, and more.

Specifications

ASIN	B077Y6H5BK
Best Sellers Rank	#5,328 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #2 in Paper Roll Cutters #10 in Quilting Rotary Cutters
Blade Length	28 Millimeters
Blade Material	Stainless Steel
Brand	OLFA
Brand Name	OLFA
Color	イエロー
Customer Reviews	4.7 out of 5 stars 3,504 Reviews
Global Trade Identification Number	04901165301079
Handle Material	アクリロニトリルブタジエンスチレン
Handle Type	Manual-Retractable
Item Length	28 Millimeters
Manufacturer	B077Y6H5BK
Manufacturer Part Number	235B
Material	Stainless Steel
Material Type	Stainless Steel
Model Number	235B
Product Style	Retractable
Unit Count	1.0 Count

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